1191452414712 has 64 divisors (see below), whose sum is σ = 3406947505920. Its totient is φ = 340135200768.

The previous prime is 1191452414693. The next prime is 1191452414717. The reversal of 1191452414712 is 2174142541911.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1191452414717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2709258 + ... + 3118169.

It is an arithmetic number, because the mean of its divisors is an integer number (53233554780).

Almost surely, 2^{1191452414712} is an apocalyptic number.

1191452414712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1191452414712 is an abundant number, since it is smaller than the sum of its proper divisors (2215495091208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1191452414712 is a wasteful number, since it uses less digits than its factorization.

1191452414712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5828660 (or 5828656 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The spelling of 1191452414712 in words is "one trillion, one hundred ninety-one billion, four hundred fifty-two million, four hundred fourteen thousand, seven hundred twelve".